public int Read(sbyte[] toRead, int offset, int length)
{
// Read
int currentByte = 0;
bool canReadStream = true;
while (currentByte < length && canReadStream)
{
if (NumForwardBytesInBuffer > 0)
{ // from mem
NumForwardBytesInBuffer--;
toRead[offset + currentByte] = (sbyte)COB[NumForwardBytesInBuffer];
currentByte++;
}
else
{ // from stream
int newBytes = length - currentByte;
int numRead = S.Read(Temp, 0, newBytes);
canReadStream = numRead >= newBytes;
for (int i = 0; i < numRead; i++)
{
COB.Push(Temp[i]);
toRead[offset + currentByte + i] = (sbyte)Temp[i];
}
currentByte += numRead;
}
}
return(currentByte);
}
public int Read(sbyte[] toRead, int offset, int length)
{
// Read
////System.Diagnostics.Trace.WriteLine("BackStream - Read ");
int currentByte = 0;
bool canReadStream = true;
while (currentByte < length && canReadStream)
{
////System.Diagnostics.Trace.WriteLine("BackStream - Read - looping");
if (NumForwardBytesInBuffer > 0)
{ // from mem
////System.Diagnostics.Trace.WriteLine("BackStream - Read - there are bytes in the buffer");
NumForwardBytesInBuffer--;
toRead[offset + currentByte] = (sbyte)COB[NumForwardBytesInBuffer];
currentByte++;
}
else
{ // from stream
////System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead");
int newBytes = 0;
int numRead = 0;
try
{
////System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead - set newBytes");
newBytes = length - currentByte;
////System.Diagnostics.Trace.WriteLine("newBytes=" + newBytes.ToString());
////System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead - set numRead");
numRead = 0;
////System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead - testing Stream");
if (S.CanRead)
{
////System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead - reading from stream");
////System.Diagnostics.Trace.WriteLine("Temp length=" + Temp.Length.ToString());
////System.Diagnostics.Trace.WriteLine("newBytes length:" + newBytes.ToString());
numRead = S.Read(Temp, 0, newBytes);
}
if (numRead == 0)
{
numRead = 0;
}
//System.Diagnostics.Trace.WriteLine("BackStream - Read - reading for numRead - have read " + numRead.ToString() + " bytes from stream");
}
catch (Exception e2)
{
string s = e2.Message;
}
canReadStream = numRead >= newBytes;
////System.Diagnostics.Trace.WriteLine("BackStream - Read - there aren't bytes in the buffer ");
for (int i = 0; i < numRead; i++)
{
//System.Diagnostics.Trace.WriteLine(Temp[i].ToString());
COB.Push(Temp[i]);
toRead[offset + currentByte + i] = (sbyte)Temp[i];
}
currentByte += numRead;
}
}
////System.Diagnostics.Trace.WriteLine("BackStream - Read - End");
return(currentByte);
}
